linux/fs/ext4
Theodore Ts'o 03179fe923 ext4: undo ext4_calc_metadata_amount if we fail to claim space
The function ext4_calc_metadata_amount() has side effects, although
it's not obvious from its function name.  So if we fail to claim
space, regardless of whether we retry to claim the space again, or
return an error, we need to undo these side effects.

Otherwise we can end up incorrectly calculating the number of metadata
blocks needed for the operation, which was responsible for an xfstests
failure for test #271 when using an ext2 file system with delalloc
enabled.

Reported-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@vger.kernel.org
2012-07-23 00:00:20 -04:00
..
acl.c switch posix_acl_equiv_mode() to umode_t * 2011-08-01 02:10:06 -04:00
acl.h fs: take the ACL checks to common code 2011-07-25 14:30:23 -04:00
balloc.c ext4: pass a char * to ext4_count_free() instead of a buffer_head ptr 2012-06-30 19:14:57 -04:00
bitmap.c ext4: fix overhead calculation used by ext4_statfs() 2012-07-09 16:27:05 -04:00
block_validity.c ext2/3/4: delete unneeded includes of module.h 2012-01-09 13:52:10 +01:00
dir.c ext4: calculate and verify checksums of directory leaf blocks 2012-04-29 18:41:10 -04:00
ext4.h ext4: convert last user of ext4_mark_super_dirty() to ext4_handle_dirty_super() 2012-07-22 20:31:31 -04:00
ext4_extents.h ext4: verify and calculate checksums for extent tree blocks 2012-04-29 18:37:10 -04:00
ext4_jbd2.c ext4: remove unnecessary argument from __ext4_handle_dirty_metadata() 2012-07-22 20:37:31 -04:00
ext4_jbd2.h ext4: remove unnecessary argument from __ext4_handle_dirty_metadata() 2012-07-22 20:37:31 -04:00
extents.c ext4: fix hole punch failure when depth is greater than 0 2012-07-22 22:49:08 -04:00
file.c ext4: convert last user of ext4_mark_super_dirty() to ext4_handle_dirty_super() 2012-07-22 20:31:31 -04:00
fsync.c ext4: fix race between sync and completed io work 2012-03-05 10:29:52 -05:00
hash.c ext4: return 32/64-bit dir name hash according to usage type 2012-03-18 22:44:40 -04:00
ialloc.c ext4: remove useless marking of superblock dirty 2012-07-22 20:29:31 -04:00
indirect.c ext2/3/4: delete unneeded includes of module.h 2012-01-09 13:52:10 +01:00
inode.c ext4: undo ext4_calc_metadata_amount if we fail to claim space 2012-07-23 00:00:20 -04:00
ioctl.c ext4: fix ext4 mismerge back in January 2012-07-22 20:27:31 -04:00
Kconfig ext4: load the crc32c driver if necessary 2012-04-29 18:27:10 -04:00
Makefile ext4: move ext4_ind_* functions from inode.c to indirect.c 2011-06-27 19:40:50 -04:00
mballoc.c ext4: remove useless marking of superblock dirty 2012-07-22 20:29:31 -04:00
mballoc.h ext4: remove EXT4_MB_{BITMAP,BUDDY} macros 2012-02-20 17:54:06 -05:00
migrate.c userns: Convert ext4 to user kuid/kgid where appropriate 2012-05-15 14:59:27 -07:00
mmp.c ext4: add checksums to the MMP block 2012-04-29 18:47:10 -04:00
move_extent.c ext4: add some tracepoints in ext4/extents.c 2011-09-09 19:18:51 -04:00
namei.c ext4: remove unnecessary argument from __ext4_handle_dirty_metadata() 2012-07-22 20:37:31 -04:00
page-io.c Revert "ext4: don't release page refs in ext4_end_bio()" 2012-03-29 17:00:56 -07:00
resize.c ext4: remove unnecessary argument from __ext4_handle_dirty_metadata() 2012-07-22 20:37:31 -04:00
super.c ext4: weed out ext4_write_super 2012-07-22 20:35:31 -04:00
symlink.c ext4: symlink must be handled via filesystem specific operation 2010-05-16 02:00:00 -04:00
truncate.h ext4: move common truncate functions to header file 2011-06-27 19:16:04 -04:00
xattr.c ext4: use s_csum_seed instead of i_csum_seed for xattr block 2012-07-09 16:29:27 -04:00
xattr.h ext4: change on-disk layout to support extended metadata checksumming 2012-04-29 18:23:10 -04:00
xattr_security.c Merge branch 'for_linus' into for_linus_merged 2012-01-10 11:54:07 -05:00
xattr_trusted.c ext2/3/4: delete unneeded includes of module.h 2012-01-09 13:52:10 +01:00
xattr_user.c ext2/3/4: delete unneeded includes of module.h 2012-01-09 13:52:10 +01:00